test plate of pin holes
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- infra-red beam folower
- upper state relaxation
- diatomic roto
- holographic gratings
- Varotal lens
- mode pattern
- astrospectrograph camera
- metacrystalline
- push out
- visible emissivity
- optical head controllers,control ics/modules
- multilongitudianl-mode laser
- optical harmonic generation
- geometrical focus
- intensifying screen
- filters
- frequency summing
- chronophotography
- time-averaged shadow-moire method
- optical deformation